/Engine/Source/Runtime/CoreUObject/Public/Misc/PackagePath.h
The path is in the standard UnrealEngine form - it is as a relative path from the process binary directory Extension is set based on the given segment If the LocalPath for this PackagePath is unknown, returns the empty string Returning non-empty is possible only for MountedPath and LocalOnly internal types. Will attempt to mount before returning empty
[FString](API\Runtime\Core\Containers\FString) GetLocalFullPath() const